... Product DescriptionCaustic soda flake, pearl or solid Purity 99% 98% 96%25tons/1*20"FCL 40bags/ton2 ... Pearl 96%Flake/Pearl 98%Flake/Pearl 99%NaOH96%min98%99%minNa2CO31.2%max1.0%max0.5%maxNaCL2 ... water electrolysis, as well as inorganic salt production, preparation of borax, chromium salt, potassium permanganate, phosphate, etc., but ... .4,Small quantity is welcomed 99%min Sodium Hydroxide industrial grade